NCT06684379

Study on Safety and Efficacy of Two Doses of PRS CK STORM in the Modulation of the Cytokine Storm for the Treatment of Acute Respiratory Distress Syndrome (ARDS) Caused by SARS-Cov-2, Influenza A, Influenza B and Respiratory Syncytial Virus (RSV)

Double-blind, Randomized, Placebo-controlled, Pilot Clinical Trial to Evaluate the Safety, Tolerability and Efficacy of Two Doses of a Conditioned Medium From a Co-culture of M2-macrophages and Fat-derived Mesenchymal Cells (PRS CK STORM) in the Modulation of the Cytokine Storm for the Treatment of Acute Respiratory Distress Syndrome (ARDS) Caused by SARS-Cov-2, Influenza A, Influenza B and Respiratory Syncytial Virus (RSV)

• Status: Recruiting
• Phase: Phase 1 / Phase 2
• Study type: Interventional
• Enrollment: 50 (estimated)
• Sponsor: PEACHES BIOTECH · Industry
• Sex: All
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

The purpose of this clinical trial is to evaluate the safety, tolerability and efficacy of two doses (dose A and dose B) of Standardized Conditioned Medium Obtained by Coculture of Monocytes and fat-derived Mesenchymal Stromal Cells (PRS CK STORM) in the modulation of the cytokine storm for the treatment of the acute respiratory distress syndrome (ARDS) caused by SARS-Cov-2, influenza A, influenza B and respiratory syncytial virus (RSV) in recently hospitalized participants (less than 3 days) in need for oxygen therapy. The main questions it aims to answer are: * Are both doses of PRS CK STORM (dose A and dose B) safe as an intravenous drug to modulate inflammatory processes, such as the cytokine storm for the treatment of ARDS caused by SARS-Cov-2, influenza A, influenza B and RSV? * Are both doses of PRS CK STORM (dose A and dose B) effective as an intravenous drug to modulate ARDS-associated cytokine storm caused by SARS-Cov-2, influenza A, influenza B and RSV compared to the control group? * What are the anti-inflammatory and pro-inflammatory cytokine profiles after treatment with two different doses of PRS CK STORM in participants hospitalized for ARDS caused by SARS-Cov-2, influenza A, influenza B and RSV? Researchers will compare both doses of PRS CK STORM with the control group to test whether the anti-inflammatory action of PRS CK STORM is safe and effective in modulating the cytokine storm for the treatment of ARDS caused by SARS-Cov-2, influenza A, influenza B and RSV. In addition, the anti-inflammatory and pro-inflammatory cytokine profiles after treatment PRS CK STORM compared to placebo group in these participants will be also studied.

Detailed description

This is a double-blind, randomized, phase I/II pilot clinical trial of two doses of PRS CK STORM in hospitalized adult participants with ARDS caused by SARS-Cov-2, influenza A, influenza B and RSV All participants will receive the standard of care for ARDS, according to its viral origin: * Clinical management of COVID-19: hospital care (Centro de Coordinación de Alertas y Emergencias Sanitarias, 2020). * Clinical practice guidelines for influenza (WHO, 2024). Participants who meet the eligibility criteria will be randomized in blocks to reach the 2:2:1 ratio (dose A: dose B: placebo). This study consists of two parts: Part 1: Two different doses (A and B) of PRS CK STORM will be evaluated in 2 groups of 4 participants (3:1; PRS CK STORM: placebo). It starts with a first sentinel group of 4 participants who will be assigned to placebo or study drug dose A. First, only 2 participants will randomly be assigned to receive the active treatment of dose A or placebo for 5 consecutive days. These 2 first participants will be followed up to 48h after the last drug administration (short-term safety follow-up period) when a safety assessment will be completed before treating the other 2 participants in this group. If the study drug is considered safe during the short-term safety assessment planned 48h after the last drug administration, then 2 additional participants will be treated with dose A for 5 consecutive days to complete the first sentinel group of 4 participants. These 2 participants will be followed up to 48h after the last study drug administration before moving to dose B. After the assessment of data collected follow-up for this first group, a second small sentinel group of other 4 participants will be treated with a higher dosage (dose B) following the same process: firstly, only 2 participants will randomly receive the active treatment of dose B or placebo for 5 consecutive days and then these 2 first participants will be followed up to 48h after. If the study drug is considered safe during the safety assessment planned 48h after last drug administration, then two additional participants will be treated with dose B for 5 consecutive days to complete the sentinel second group of 4 participants evaluating dose B. These 2 participants will be also followed up to 48h after the last study drug administration before moving to Part 2. All these 8 participants included in Part 1 will continue in a long-term safety follow-up period until 1 year post treatment. Part 2: 42 additional participants will be treated for 5 consecutive days. These 42 participants will be randomized to three treatment arms: 17 in the active arm with dose A, 17 participants in the active arm with dose B and 8 participants in the placebo arm. All participants in Part 2 will be followed up to 48h after the last study drug (short-term safety follow-up period). Once all participants treated in Part 2 finished the short-term safety follow-up period (48h after last study drug administration), all data will be verified and statistically analyzed in an interim analysis. All participants will be followed up to 1 year post treatment (long-term safety follow-up period). Therefore, considering the participants enrolled in Part 1 and Part 2 the total number of participants for safety, tolerability and efficacy analysis will be 50 assigned to three different arms (total randomization ratio 2:2:1), 20 participants will receive dose A, 20 participants will receive dose B and 10 participants will receive placebo. To sum up, considering the participants enrolled in Part 1 and Part 2 the total number of participants for safety, tolerability and efficacy analysis will be 50 assigned to three different arms (total randomization ratio 2:2:1), 20 participants will receive dose A of PRS CK STORM, 20 participants will receive dose B of PRS CK STORM and 10 participants will receive placebo. The estimated duration of the study for individual participants will be 12 months (screening: 3 days, treatment period: 5 days, short-term safety follow-up period: 2 days after the last drug intake and long-term safety follow-up period: up to 48 weeks from randomization). It is hypothesized that both doses of PRS CK STORM for intravenous administration are safe, well tolerated and clinically beneficial versus placebo for participants with ARDS-associated cytokine storm.

Conditions

• SARS-CoV-2
• Influenza, Human
• Respiratory Syncytial Virus Infections
• Respiratory Distress Syndrome

Interventions

Type	Name	Description
DRUG	Placebo comparator	A single dose of saline solution 0.9% for infusion
DRUG	PRS CK STORM	A single dose of PRS CK STORM (dose A) for infusion
DRUG	PRS CK STORM	A single dose of PRS CK STORM (dose B) for infusion.

Timeline

• Start date: 2024-10-02
• Primary completion: 2026-10-02
• Completion: 2026-10-02
• First posted: 2024-11-12
• Last updated: 2025-08-07

Locations

1 site across 1 country: Spain